Fuzzy signatures in data mining

Fuzzy signature has a special role in data mining, concerning data mixed with human estimates. The semantics of the fuzzy concept is a relevant issue of data interpretation. A software system was developed to implement these ideas and works on a rather extensive database of a two-decade neuro-developmental project. Another project initiated in the subjects of transition economy and society is ongoing. Delicate problems of sensitivity and the re-thinking of principal component and factor analysis for fuzzy data are current research issues.

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